Benjamin Huntsman was an English inventor and manufacturer of crucible steel. He was born the third son of a Quaker farmer in Epworth, Lincolnshire. His parents were Germans. He started business as a clock, lock and tool maker at Doncaster, and attained a considerable local reputation for scientific knowledge and skilled workmanship. He also practised surgery in an experimental fashion, and was frequently consulted as an oculist.

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  • Benjamin Huntsman was an English inventor and manufacturer of crucible steel. He was born the third son of a Quaker farmer in Epworth, Lincolnshire. His parents were Germans. He started business as a clock, lock and tool maker at Doncaster, and attained a considerable local reputation for scientific knowledge and skilled workmanship. He also practised surgery in an experimental fashion, and was frequently consulted as an oculist. Hampered by poor quality steel, Huntsman experimented in steel manufacture: first at Doncaster, and then at Handsworth, near Sheffield, whither he removed in 1740 to secure cheaper fuel for his furnaces. This cheaper fuel was coke which was more efficient than charcoal. After several years of trials, he produced a satisfactory cast steel, purer and harder than any contemporary steel. The Sheffield cutlery manufacturers, however, refused to buy it on the ground that it was too hard, and for a long time Huntsman exported his whole output to France. The English parliament prohibited the refining of pig iron or the casting of iron in the American colonies, contributing to the American Revolution. The growing competition of imported French cutlery made from Huntsman's cast-steel alarmed the Sheffield cutlers, who, after vainly endeavouring to get the exportation of the steel prohibited by the British government, were compelled in self-defence to use it. Huntsman had not patented his process, and its secret was discovered by a Sheffield iron-founder called Walker, who, according to a popular story, obtained admission to Huntsman's works in the disguise of a starving beggar asking to sleep by a fire for the night. Benjamin Huntsman died in 1776, his business being subsequently greatly developed by his son, William Huntsman (1733-1809). At Sheffields Northern General Hospital one of the original main buildings is named after him, and in the city center is a Wetherspoons pub called "The Benjamin Huntsman" .
  • Benjamin Huntsman fue un relojero británico inventor del acero crucible, cuyo novedoso proceso derivó en la obtención de acero fundido más uniforme en composición y menos impurezas que antes. Nació como tercer hijo de un granjero quáquero en la ciudad de Epworth, Lincolnshire. Sus familiares eran alemanes. Puso una fábrica en Sheffield el año de 1740, donde se producía acero para la manufactura de resortes para relojes.
  • ベンジャミン・ハンツマン（Benjamin Huntsman、1704年6月4日 – 1776年6月20日）はイギリスの発明家で、ルツボ鋳鋼(crucible steel)の製法を開発した。 リンカンシャーのエプワースにクエーカー教徒のドイツ人の農夫の家に生まれた。ドンカスターで時計や鍵や工具の製造を始め、科学的な知識や腕のいい職人としての評判を得た。ドンカスターで鋼の製造と品質の改善の実験を始め、より安い燃料を求めて1740年にシェフィールドに近いハンズワースに移った。燃料に木炭に換えてコークスを使うことで、鋼の品質は改善され、7年間の実験の後によい品質の鋼をえることに成功した。シェフィールドの刃物業者にはハンツマンの鋼が硬すぎて研磨が困難であったため売れなかったため、ハンツマンの鋼はすべてフランスに輸出された。ハンツマンの鋼を使ったフランス製の刃物との競争にさらされたシェフィールドの刃物業者が、乞食に変装してその製法をさぐったという逸話がある。1770年に工場をDon Valleyに移した。ハンツマンの死後､息子のウィリアム・ハンツマンによってハンツマンの事業は大きく発展した。
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  • Benjamin Huntsman
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  • Benjamin Huntsman was an English inventor and manufacturer of crucible steel. He was born the third son of a Quaker farmer in Epworth, Lincolnshire. His parents were Germans. He started business as a clock, lock and tool maker at Doncaster, and attained a considerable local reputation for scientific knowledge and skilled workmanship. He also practised surgery in an experimental fashion, and was frequently consulted as an oculist.
  • Benjamin Huntsman fue un relojero británico inventor del acero crucible, cuyo novedoso proceso derivó en la obtención de acero fundido más uniforme en composición y menos impurezas que antes. Nació como tercer hijo de un granjero quáquero en la ciudad de Epworth, Lincolnshire. Sus familiares eran alemanes. Puso una fábrica en Sheffield el año de 1740, donde se producía acero para la manufactura de resortes para relojes.
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  • Benjamin Huntsman
  • Benjamin Huntsman
  • ベンジャミン・ハンツマン
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